Patents by Inventor Young-Hoon Cho

Young-Hoon Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11735097
    Abstract: Provided are a light-emitting diode (LED) display device and a method of operating the LED display device determining whether a line flicker will occur based on a level of an input image signal, obtaining an LED line scan order corresponding to the level of the input image signal and brightness according to the input image signal based on the determining, and driving at least one LED line based on the LED line scan order. An LED line scan order may be adjusted according to a level of an input/output image signal in an LED display device so as to reduce occurrence of a line flicker phenomenon in all levels of the input/output image signal.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Sang-kyun Im, Young-hoon Cho, Hye-rin Choi
  • Patent number: 11623563
    Abstract: A sound generating apparatus for a vehicle includes: a motor controller that generates a motor torque corresponding to a target sound; and an output device that outputs the target sound based on vibration generated by the motor torque to generate a sound of the vehicle without requiring an external amplifier or a separate actuator, thus preventing increases in cost and weight.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: April 11, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kyoung Jin Chang, Young Hoon Cho, Do Hong Lee
  • Patent number: 11561751
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Min-jung Kim, Sang-kyun Im, Young-hoon Cho
  • Publication number: 20220313551
    Abstract: Provided is a biometric signal measurement device for a massage apparatus, in which an electrode for acquiring a biometric signal of a user acquires the biometric signal while vertically moving in contact with a plantar part of the user, and at the same time, massages the plantar part, thereby improving a massage effect. The biometric signal measurement device for a massage apparatus includes a base part on which a foot of a user is placed, an electrode part that is made of a conductive material, is installed in the base part to be vertically movable, and acquires a biometric signal while in contact with a sole of the user placed on the base part, an electrode driving part that vertically moves the electrode part, and a controller that is electrically connected to the electrode part and analyzes biometric information of the user through the biometric signal acquired by the electrode part.
    Type: Application
    Filed: April 6, 2022
    Publication date: October 6, 2022
    Inventors: Jong Sick PARK, Sung Gu LIM, Myeong Jin YU, Deok Hyun KONG, Young Hoon CHO
  • Publication number: 20210309147
    Abstract: A sound generating apparatus for a vehicle includes: a motor controller that generates a motor torque corresponding to a target sound; and an output device that outputs the target sound based on vibration generated by the motor torque to generate a sound of the vehicle without requiring an external amplifier or a separate actuator, thus preventing increases in cost and weight.
    Type: Application
    Filed: July 31, 2020
    Publication date: October 7, 2021
    Inventors: Kyoung Jin CHANG, Young Hoon CHO, Do Hong LEE
  • Publication number: 20210271442
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Inventors: Ji-yong PARK, Min-jung KIM, Sang-kyun IM, Young-hoon CHO
  • Patent number: 11036457
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Min-jung Kim, Sang-kyun Im, Young-hoon Cho
  • Patent number: 11029912
    Abstract: Provided a display apparatus including a display including a plurality of display modules, each display module of the plurality of display modules including a pixel driving circuit and at least one pixel including a red inorganic light emitting element, a green inorganic light emitting element, and a blue inorganic light emitting element, a signal receiver configured to receive an image signal having a plurality of grayscales, and a controller configured to divide the display into a plurality of regions, each region of the plurality of regions having a same area and including at least one display module among the plurality of display modules, calibrate the image signal to output uniform light from each of the plurality of regions, and control the pixel driving circuit to display an image based on the calibrated image signal.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yong Park, Young-Hoon Cho, Sang Kyun Im
  • Publication number: 20200357333
    Abstract: Provided are a light-emitting diode (LED) display device and a method of operating the LED display device determining whether a line flicker will occur based on a level of an input image signal, obtaining an LED line scan order corresponding to the level of the input image signal and brightness according to the input image signal based on the determining, and driving at least one LED line based on the LED line scan order. An LED line scan order may be adjusted according to a level of an input/output image signal in an LED display device so as to reduce occurrence of a line flicker phenomenon in all levels of the input/output image signal.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-yong PARK, Sang-kyun IM, Young-hoon CHO, Hye-rin CHOI
  • Patent number: 10741118
    Abstract: Provided are a light-emitting diode (LED) display device and a method of operating the LED display device determining whether a line flicker will occur based on a level of an input image signal, obtaining an LED line scan order corresponding to the level of the input image signal and brightness according to the input image signal based on the determining, and driving at least one LED line based on the LED line scan order. An LED line scan order may be adjusted according to a level of an input/output image signal in an LED display device so as to reduce occurrence of a line flicker phenomenon in all levels of the input/output image signal.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Sang-kyun Im, Young-hoon Cho, Hye-rin Choi
  • Patent number: 10708533
    Abstract: A display apparatus includes a signal receiver configured to receive an image signal having a plurality of gradations; a display configured to display an image based on the received image signal; a storage configured to store a plurality of calibration coefficients corresponding to more than two gradations from among the plurality of gradations to calibrate a uniformity of the image; and a controller configured to control the display to apply to the received image signal, a calibration coefficient corresponding to a gradation of the received image signal from among the plurality of gradations to display the image. With this, the uniformity of the image outputted from the display apparatus is exactly calibrated with respect to the plurality of gradations.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-hoon Cho, Ji-yong Park, Sang-kyun Im
  • Publication number: 20200193897
    Abstract: Provided a display apparatus including a display including a plurality of display modules, each display module of the plurality of display modules including a pixel driving circuit and at least one pixel including a red inorganic light emitting element, a green inorganic light emitting element, and a blue inorganic light emitting element, a signal receiver configured to receive an image signal having a plurality of grayscales, and a controller configured to divide the display into a plurality of regions, each region of the plurality of regions having a same area and including at least one display module among the plurality of display modules, calibrate the image signal to output uniform light from each of the plurality of regions, and control the pixel driving circuit to display an image based on the calibrated image signal.
    Type: Application
    Filed: December 16, 2019
    Publication date: June 18, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yong PARK, Young-Hoon CHO, Sang Kyun IM
  • Patent number: 10665152
    Abstract: A method of operating a light emitting diode (LED) display device is provided. The method includes determining idle time periods respectively corresponding to LED driving clock signals, based on a number of LED driving clock signals corresponding to one frame, controlling generation of the LED driving clock signals, based on the determined idle time periods, and driving an LED module in a unit of an LED line, based on the generated LED driving clock signals. As the LED display device automatically adjusts idle time periods of the LED driving clock signals, the occurrence of flicker in the LED display device may be reduced.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-hoon Cho, Ji-yong Park, Sang-kyun Im
  • Publication number: 20200159484
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 21, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong PARK, Min-jung KIM, Sang-kyun IM, Young-hoon CHO
  • Patent number: 10572208
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Min-jung Kim, Sang-kyun Im, Young-hoon Cho
  • Patent number: 10572210
    Abstract: A display apparatus includes a cabinet; a display panel provided on the cabinet; a door provided on the cabinet and configured to be opened and closed; a first detector configured to detect opening of the door and output a first signal in response to the door being opened; an image data receiver configured to receive content data from an image source device; and a first controller configured to control the display panel to display a first image corresponding to the content data received from the image source device and control the display panel to display a second image different from the first image in response to receiving the first signal.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yong Park, Hye Rin Choi, Sang Kyun Im, Young-Hoon Cho
  • Patent number: 10475368
    Abstract: A display device is provided, which includes a display, a ditherer configured to perform dithering of video data displayed on the display, an illumination sensor configured to sense illumination around the display device, and a processor configured to control driving of the ditherer on the basis of a grayscale level of the video data if or when the sensed illumination is lower than a predetermined value.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Young-hoon Cho, Sang-kyun Im
  • Patent number: 10445050
    Abstract: An operating method of an image display apparatus includes detecting a screen aspect ratio of an input image; determining rotation control information regarding a tiled display of the image display apparatus, the tiled display including a plurality of individually rotatable display modules, according to the detected screen aspect ratio of the input image; rotating each of the plurality of display modules according to the determined rotation control information; and controlling the plurality of display modules to display the input image according to the determined rotation control information.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Sang-kyun Im, Young-hoon Cho
  • Publication number: 20190095167
    Abstract: A display apparatus includes a cabinet; a display panel provided on the cabinet; a door provided on the cabinet and configured to be opened and closed; a first detector configured to detect opening of the door and output a first signal in response to the door being opened; an image data receiver configured to receive content data from an image source device; and a first controller configured to control the display panel to display a first image corresponding to the content data received from the image source device and control the display panel to display a second image different from the first image in response to receiving the first signal.
    Type: Application
    Filed: September 24, 2018
    Publication date: March 28, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yong PARK, Hye Rin CHOI, Sang Kyun IM, Young-Hoon CHO
  • Patent number: 10232349
    Abstract: This invention relates to a catalyst for preparing a cyclic hydrocarbon, which is a non-noble-metal supported on zirconium phosphate, and to a method of preparing a cyclic hydrocarbon, including preparing a cyclic hydrocarbon from a lignin derivative through hydrodeoxygenation and hydrogenation using the catalyst for preparing a cyclic hydrocarbon.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: March 19, 2019
    Assignee: Korea University Research and Business Foundation
    Inventors: Kwan Young Lee, Geun Ho Han, Young-Hoon Cho, Min Sung Kim, Myung-gi Seo